[sketch] 01/02: Don't run bison twice

[David Bremner]

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bremner pushed a commit to annotated tag debian/0.3.7-6
in repository sketch.

commit 56eac0b2bc62013e230a8d562bbf6e2f1908466c
Author: David Bremner <bremner at debian.org>
Date:   Tue Aug 22 21:27:31 2017 -0300

    Don't run bison twice
    
    Previously bison is run twice, with an output file already being used
    while the second bison regenerates it again resulting in an incomplete
    file being used.
    
    Based on a patch from Adrian Bunk
---
 makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/makefile b/makefile
index b563f09..a820977 100644
--- a/makefile
+++ b/makefile
@@ -43,7 +43,9 @@ HEADERS=bsp.h cmdline.h dynarray.h emit.h error.h expr.h geometry.h geomio.h\
 $(EXE) : $(OBJECTS)
 	$(CC) -o $(EXE) $(OBJECTS) -lm
 
-y.tab.c y.tab.h : sketch.y
+y.tab.c : y.tab.h
+
+y.tab.h : sketch.y
 	$(YACC) $<
 
 lex.yy.c : sketch.l

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